Williamstown, NY Weather & Growing Conditions
This Afternoon
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 65 in the afternoon. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 7 mph S | 1% |
| Tonight | 55°F | Partly Cloudy | 8 to 12 mph S | 1% |
| Thursday | 66°F | Rain Showers | 13 mph S | 97% |
| Thursday Night | 56°F | Chance Rain Showers | 1 to 12 mph SW | 48% |
| Friday | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph W | 22% |
| Friday Night | 47°F | Slight Chance Light Rain | 1 mph N | 22% |
| Saturday | 59°F | Chance Light Rain | 1 to 6 mph NW | 42% |
| Saturday Night | 38°F | Light Rain Likely | 6 to 13 mph NW | 61% |
| Sunday | 52°F | Chance Light Rain | 10 to 14 mph NW | 54% |
| Sunday Night | 33°F | Chance Light Rain | 13 mph W | 27% |
| Monday | 50°F | Chance Light Rain | 13 to 17 mph W | 27% |
| Monday Night | 30°F | Slight Chance Light Rain | 7 to 13 mph W | 15% |
| Tuesday | 55°F | Mostly Sunny then Slight Chance Light Rain | 8 to 14 mph W | 15% |
| Tuesday Night | 31°F | Slight Chance Light Rain | 7 to 10 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamstown, NY
Last spring frost
May 10
First fall frost
Oct 4
Growing season
147 days
Hardiness zone
5b
Explore more for Williamstown, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, North Adams Harriman Ap, Ma (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.